genus Tussilago vs Compositae

genus Tussilago and Compositae both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Tussilago	Yes	No	No	No
Compositae	Yes	No	No	No

genus Tussilago (noun)	Compositae (noun)
genus of low creeping yellow-flowered perennial herbs of north temperate regions: coltsfoots; in some classifications includes species often placed in other genera especially Homogyne and Petasites	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia